Why are you in mainland China? Can you try wss://relay.nostrfy.org ?
nostr:nevent1qgsr9cvzwc652r4m83d86ykplrnm9dg5gwdvzzn8ameanlvut35wy3gpzemhxue69uhhyetvv9ujuerfw36x7tnsw43z7qpqqg7gevdstkzsq4063qz6juh68535q9jcz6lhw40u0rhyafx90sjq4vz7uz
nostr:nevent1qgsr9cvzwc652r4m83d86ykplrnm9dg5gwdvzzn8ameanlvut35wy3gpzemhxue69uhhyetvv9ujuerfw36x7tnsw43z7qpqqg7gevdstkzsq4063qz6juh68535q9jcz6lhw40u0rhyafx90sjq4vz7uz